Seiko Cal. 5257 - 983

Released in 1972, the Cal. 5257 with design code 983 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-5959a6ed62cc]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1972

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